Methods of radio-frequency current drive

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4 Scopus citations


Radio-frequency waves can penetrate thermonuclear plasmas, depositing momentum and energy with great selectivity: in select resonant ions or electrons, in select resonant regions, and with select momentum. When these waves are injected asymmetrically with respect to the toroidal direction in tokamaks, they can drive a toroidal electric current. The advantage of driving this current by waves is that a tokamak reactor might then be operated in the steady state. This lecture will review the elementary processes of wave-particle interactions in plasma that underlie the current drive effect.

Original languageEnglish (US)
Pages (from-to)1-9
Number of pages9
JournalFusion Science and Technology
Issue number1
StatePublished - Jan 2014

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • General Materials Science
  • Mechanical Engineering


  • Noninductive current drive
  • Rf current drive
  • Rf waves


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